Home / 86,414.32-129,617.16-33,833.44

Finding the Fourth Proportional to 86,414.32, 129,617.16 and 33,833.44

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Solution

The fourth proportional to 86,414.32, 129,617.16 and 33,833.44 is: 50,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.32 : 129,617.16 = 33,833.44 : x
  2. Step 2: Convert to fraction form
    86,414.32/129,617.16 = 33,833.44/x
  3. Step 3: Cross multiply
    86,414.32x = 129,617.16 × 33,833.44
  4. Step 4: Simplify right side
    86,414.32x = 4,385,394,405.83
  5. Step 5: Solve for x
    x = 4,385,394,405.83/86,414.32
  6. Step 6: Final answer
    x = 50,748.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.